WowAce

Gives a score for your kit allowing easy comparison with others, also colour codes kit based on appropriateness for your level.

Separate indicator for your HoTs with timer.

BeneCast 10

Display an informational fighter jet style HUD while flying or riding

Dims action buttons.

Collects, analyzes and presents information about the virtual economy.

Adds party/raid role icons in useful places

Tells you the Tiller, what food they like, and if you have fed them today for the quests A Dish for ...

CCBreaker

FuBar_TinyPadFu

Stores a browsable database of spells that mobs cast

Nvp

Displays classes and specialisation dependent stat priorities provided by icy-veins.com

Quixote

Quality of Life Tools for Group questing/leveling

Displays the zone level ranage of the zone you are in and also gives you a suggest zone and instances to be in.

LDB data source for Combat Tracking

pDebuffList

FuBar_VoiceFu

Alternate Rune Display